Searched hist:"1 d0c3924a92e69bfa91163bda83c12a994b4d106" (Results 1 – 4 of 4) sorted by relevance
| /openbmc/linux/fs/ext4/ |
| H A D | balloc.c | diff 1d0c3924a92e69bfa91163bda83c12a994b4d106 Sat Feb 15 15:40:37 CST 2020 Theodore Ts'o <tytso@mit.edu> ext4: fix potential race between online resizing and write operations
During an online resize an array of pointers to buffer heads gets
replaced so it can get enlarged. If there is a racing block
allocation or deallocation which uses the old array, and the old array
has gotten reused this can lead to a GPF or some other random kernel
memory getting modified.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.edu
Reported-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
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| H A D | resize.c | diff 1d0c3924a92e69bfa91163bda83c12a994b4d106 Sat Feb 15 15:40:37 CST 2020 Theodore Ts'o <tytso@mit.edu> ext4: fix potential race between online resizing and write operations
During an online resize an array of pointers to buffer heads gets
replaced so it can get enlarged. If there is a racing block
allocation or deallocation which uses the old array, and the old array
has gotten reused this can lead to a GPF or some other random kernel
memory getting modified.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.edu
Reported-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
|
| H A D | ext4.h | diff 1d0c3924a92e69bfa91163bda83c12a994b4d106 Sat Feb 15 15:40:37 CST 2020 Theodore Ts'o <tytso@mit.edu> ext4: fix potential race between online resizing and write operations
During an online resize an array of pointers to buffer heads gets
replaced so it can get enlarged. If there is a racing block
allocation or deallocation which uses the old array, and the old array
has gotten reused this can lead to a GPF or some other random kernel
memory getting modified.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.edu
Reported-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
|
| H A D | super.c | diff 1d0c3924a92e69bfa91163bda83c12a994b4d106 Sat Feb 15 15:40:37 CST 2020 Theodore Ts'o <tytso@mit.edu> ext4: fix potential race between online resizing and write operations
During an online resize an array of pointers to buffer heads gets
replaced so it can get enlarged. If there is a racing block
allocation or deallocation which uses the old array, and the old array
has gotten reused this can lead to a GPF or some other random kernel
memory getting modified.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-2-tytso@mit.edu
Reported-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
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